Our Utility Grommet Kits provide an economic solution for repairing tarps, tents, awnings and pool covers. Each easy-to-use set includes a hardened steel hole cutter, a matched mandrel/anvil pair, a hardwood backer block and an assortment of grommets. We offer three kit sizes (1/4", 1/2 and 3/8") as well as the option to purchase additional grommets.